About fall of windbreak fence from Hachiriku Hokuriku Expressway Naitsubashi

July 18, 2012
East Nippon Expressway Co., Ltd.
Niigata Regional Head Office

A windbreak fence installed on the Hokuriku Expressway Nadachi Bridge managed by NEXCO EAST Niigata Regional Head Office (Chuo-ku, Niigata City) was found to have fallen on the city road that passes below.

No third party damage due to this has been confirmed.

We take this situation very seriously and conduct an emergency inspection of the Nadachi Bridge on the morning of the 18th, as well as an inspection of locations where windbreak fences of the same structure are installed.

1. History of discovery

Joetsu City contacted our Joetsu Management Office to inform us that a metal plate that had been installed on the Hokuriku Expressway had dropped. As a result of checking the site at the same office, it was confirmed that it was a windbreak fence.

2. place of occurrence

Hokuriku Expressway Naitsubashi (Opened on July 23, 1993)

Between Nou interchange and Meitachi Tanihama interchange

(Nachimachi-Omachi, Jodachi City, Nachi-machi, Machida area)

3. Windbreak fence that fell

Made of steel

(22cm x 296cm, about 7.2kg)

Four. Cause of fall

investigating

Five. Last inspection date

April 26, 2012 Visual inspection (no abnormality)

6. Emergency inspection

It has been carried out for Naitsubashi on the 18th. Of the other bridges under the control of the Niigata Regional Head Office, we will carry out an emergency inspection by 20th of the parts that may cause damage to a third party due to the fall.

【Location map】

Image image of Nitate Tanihama interchange

[Situation photo]

Image image of situation photo